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xiaoxia-saas/deploy/gpu_worker/README.md
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fix(gpu): #1970 MuseTalk worker 推理期心跳/超时 900/重试收敛/短视频前置失败
- GPU_TASK_TIMEOUT_SECONDS 默认 300→900(base.py + env 模板),worker
  REQUEST_TIMEOUT 默认同步 300→900,RTX2060 6G 处理 720p 长视频不再超时
- worker 新增 TaskHeartbeat daemon 线程:任务处理期间每 30s POST
  /gpu/register(task_id=...) 续任务心跳,服务端只在任务心跳真正停滞
  超过 900s(崩溃/断网)或 worker 明确上报 failed 时才回退 pending,
  长推理阻塞主循环不再导致误回退
- register schema/service 支持 task_id:_touch_task_heartbeat 只刷新
  属于该 worker 且仍 processing 的任务,已完成/已被回收重派的过期心跳忽略
- worker 本地 TASK_MAX_RETRY 2→1,且仅对瞬时错误(连接失败/超时/5xx)重试;
  4xx、结果过小等确定性失败不本地重试,服务端 MAX_ATTEMPTS=3 不变,
  消除 3×3=9 次推理放大
- <3s 输入视频(MuseTalk division by zero)下载后 ffprobe 前置校验,
  直接上报 failed"视频过短",不调用推理;ffprobe 不可用时不拦截
- 新增 11 个单测(worker 独立脚本按路径加载),全量 15839 passed
2026-09-19 14:29:22 +08:00

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# MuseTalk GPU Worker — 部署指南
本目录包含 RTX2060 本地电脑上运行的 GPU Worker 脚本。
Worker 采用 **反向轮询模式**:主动向 SaaS API 拉取待处理的口型同步任务 → 调用本地 MuseTalk 推理 → 把结果视频回传到 SaaS。不需要内网穿透。
## 目录文件
| 文件 | 作用 |
|---|---|
| `gpu_worker.py` | Worker 主程序(单文件,零项目代码依赖,仅依赖 `requests`) |
| `requirements.txt` | Python 依赖(只有 `requests`) |
| `xiaoxia-gpu-worker.service` | systemd 服务单元(开机自启、异常自动重启) |
| `.env.example` | 环境变量样例,复制为 `.env` 后填入真实值 |
## 一、环境准备
1. **Python 3.10+**(Windows 建议从 python.org 安装;Linux 自带)
2. **本地 MuseTalk 服务** 已启动在 `http://127.0.0.1:7861`,health 接口返回 `{"status":"ok","free_vram_mb":...}`
3. **ffmpeg**(可选,用于读取输出视频时长;未装则 duration 报 0,不影响功能)
4. 网络能访问 staging / 生产 API(`curl https://staging-api.xiaoxiajianji.com/health` 应返回 `{"status":"healthy"}`)
## 二、部署步骤(Linux,推荐 systemd)
```bash
# 1. 创建部署目录
sudo mkdir -p /opt/xiaoxia-gpu-worker
sudo chown $USER:$USER /opt/xiaoxia-gpu-worker
cd /opt/xiaoxia-gpu-worker
# 2. 拷贝脚本和依赖
cp /path/to/deploy/gpu_worker/{gpu_worker.py,requirements.txt,xiaoxia-gpu-worker.service,.env.example} .
cp .env.example .env
# 编辑 .env,填入 API_BASE_URL 和 GPU_WORKER_TOKEN
# 3. 创建虚拟环境并安装依赖
python3 -m venv venv
./venv/bin/pip install -r requirements.txt
# 4. 前台先跑一次,确认日志正常
./venv/bin/python gpu_worker.py
# 看到 "MuseTalk 健康检查通过" 和 "注册/心跳" 成功即可 Ctrl+C 退出
# 5. 安装 systemd 服务
sudo cp xiaoxia-gpu-worker.service /etc/systemd/system/
sudo systemctl daemon-reload
sudo systemctl enable --now xiaoxia-gpu-worker
# 6. 查看日志
sudo journalctl -u xiaoxia-gpu-worker -f
```
## 三、部署步骤(Windows,快速测试)
```bat
:: 创建虚拟环境
python -m venv venv
venv\Scripts\pip install -r requirements.txt
:: 复制并编辑 .env
copy .env.example .env
notepad .env
:: 运行
venv\Scripts\python gpu_worker.py
```
可在任务计划程序中添加开机启动项:程序选 `venv\Scripts\python.exe`,参数填 `gpu_worker.py`,起始目录填脚本所在目录。
## 四、SaaS 侧配套配置
SaaS 后端部署完成后需配置:
1. 服务端环境变量 `GPU_WORKER_TOKEN` 设为一个随机强 Token(和 Worker `.env` 中一致)
2. 数据库已跑迁移 `081_add_gpu_lipsync_tasks`(自动随 API 启动的 alembic upgrade head 完成)
3. OSS bucket 中 `gpu-lipsync/results/` 路径可写(默认 bucket 已配)
## 五、验证联调
1. Worker 启动后日志看到 `注册/心跳` 成功
2. 后端调用 `GpuLipsyncService.create_task(video_url=..., audio_url=...)` 放入一条测试任务
3. Worker 在 5 秒内拉到任务,下载 → 推理 → 上传 → 上报
4. 后端 `GET /api/v1/gpu/lipsync/status/{task_id}` 返回 `status=done`,`result_url` 非空
## 六、故障排查
| 现象 | 可能原因 / 排查 |
|---|---|
| 日志 401 `Invalid GPU worker token` | `.env` 的 `GPU_WORKER_TOKEN` 与服务端不一致 |
| 日志 `MuseTalk 健康检查未通过` | 本地 MuseTalk 没启动,或端口不是 7861;`curl http://127.0.0.1:7861/health` 验证 |
| 任务长时间不被拉取 | Worker 和服务端连不上;检查 API_BASE_URL 是否可达、Token 是否正确 |
| 推理后上传 OSS 失败 | 本地出口网络被防火墙拦截 OSS 域名(oss-cn-hangzhou.aliyuncs.com) |
| 服务端看到任务回退到 pending 重试 | 任务心跳真正超时(默认 900s):Worker 进程崩溃/断网,或推理彻底卡死;正常长推理期间心跳线程每 30s 续期,不会回退 |
| 日志 `MuseTalk 推理超时或连接失败` | 视频太长或显存不足;可临时调大 REQUEST_TIMEOUT(服务端 GPU_TASK_TIMEOUT_SECONDS 需同步调大),或限制输入视频时长 |
| 日志 `视频过短(x.xxs < 3s)` | 输入视频不足 3s,MuseTalk 对短视频会 division by zero,已在本地直接上报失败;可用 MIN_VIDEO_DURATION_SECONDS 调整阈值 |
## 七、安全注意事项
- `.env` 包含长期 Token,文件权限设为 600(`chmod 600 .env`)
- Token 泄露要立即在服务端更换 `GPU_WORKER_TOKEN` 并重启 Worker
- Worker 只需要出站访问 SaaS API 和 OSS,不需要开放任何入站端口